CAPTURING IMAGES USING SUB-FRAME ILLUMINATION
First Claim
1. A method for capturing an image, the method comprising:
- generating a first control signal configured to cause a rolling shutter camera to capture an image of a subject, wherein the image is captured over a first time period;
generating, at a first time point during the first time period, a second control signal configured to set a multi-spectral illumination source at a first intensity level, wherein the multi-spectral illumination source is configured to illuminate the subject; and
generating, at a second time point during the first time period, a third control signal configured to set the multi-spectral illumination source at a second intensity level that is less than the first intensity level, wherein a portion of the image captured by the rolling shutter camera between the first and second time points includes a target feature associated with the subject.
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Abstract
The technology described in this document can be embodied in a method for capturing an image. The method includes generating a first control signal configured to cause a rolling shutter camera to capture an image of a subject over a first time period. The method also includes generating, at a first time point during the first time period, a second control signal configured to set a multi-spectral illumination source at a first intensity level. The multi-spectral illumination source is configured to illuminate the subject. The method further includes generating, at a second time point during the first time period, a third control signal configured to set the multi-spectral illumination source at a second intensity level that is less than the first intensity level. A portion of the image captured by the rolling shutter camera between the first and second time points includes a target feature associated with the subject.
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Citations
20 Claims
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1. A method for capturing an image, the method comprising:
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generating a first control signal configured to cause a rolling shutter camera to capture an image of a subject, wherein the image is captured over a first time period; generating, at a first time point during the first time period, a second control signal configured to set a multi-spectral illumination source at a first intensity level, wherein the multi-spectral illumination source is configured to illuminate the subject; and generating, at a second time point during the first time period, a third control signal configured to set the multi-spectral illumination source at a second intensity level that is less than the first intensity level, wherein a portion of the image captured by the rolling shutter camera between the first and second time points includes a target feature associated with the subject. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a rolling shutter camera; a multi-spectral illumination source; and one or more processing devices in communication with the rolling shutter camera and the multi-spectral illumination source, the one or more processing devices configured to; generate a first control signal configured to cause the rolling shutter camera to capture an image of a subject, wherein the image is captured over a first time period; generate, at a first time point during the first time period, a second control signal configured to set the multi-spectral illumination source at a first intensity level, wherein the multi-spectral illumination source is configured to illuminate the subject; and generate, at a second time point during the first time period, a third control signal configured to set the multi-spectral illumination source at a second intensity level that is less than the first intensity level, wherein a portion of the image captured by the rolling shutter camera between the first and second time points includes a target feature associated with the subject. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. One or more machine-readable storage devices comprising machine-readable instructions configured to cause one or more processing devices to perform operations comprising:
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generating a first control signal configured to cause a rolling shutter camera to capture an image of a subject, wherein the image is captured over a first time period; generating, at a first time point during the first time period, a second control signal configured to set a multi-spectral illumination source at a first intensity level, wherein the multi-spectral illumination source is configured to illuminate the subject; and generating, at a second time point during the first time period, a third control signal configured to set the multi-spectral illumination source at a second intensity level that is less than the first intensity level, wherein a portion of the image captured by the rolling shutter camera between the first and second time points includes a target feature associated with the subject. - View Dependent Claims (20)
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Specification